x= 2 x = −1 ± −3 Hence‚ solution set = {1‚ 2‚ −1 ± 3i ‚ −1 ± −3} 2 Mathematics Notes for FSc Part-I Prepared by Bilal 4. 8 x 6 − 19 x3 − 27 = 0 Solution: Let y = x 3 and y 2 = x6 The above equation becomes: 8 y 2 − 19 y − 27 = 0 Use quadratic formula‚ Here‚ a = 8 ‚ b = −19 and c = −27 y= −(−19) ± (−19) 2 − 4(8)(−27) 2(8) 19 ± 1225 16 19 ± 35 y= 16 19 + 35 y= 16 54 y= 16 27 y= 8 As‚ y = x3 27 x3 = 8 y= 3 First take: x = 19 − 35 16 −16 y= 16
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ULTRASOUND PHYSICS Name Institution a) Calculate the Acoustic impedance of subcutaneous tissue‚ muscle and bone. Assume subcutaneous tissue has a density of 1060kg/m3 (Hedrick 2003)‚ muscle has a density of 1104kg/m3 (Madjor 2008) and bone has a density of 5065kg/m3 (Hedrick 2003). Give your answer in Mrayls. Please use speed of sound as 1540m/s for tissue‚ muscle and bone In ultrasound‚ Acoustic impedance (Z) is the quantity of measurement of resistance to sound when passing through a medium
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the classroom‚ daily life‚ and your job? Approach to argumentation differs in the three scenarios because each situation is governed by different rules. The classroom is a formal setting‚ therefore argumentation here will be geared towards establishing points to educate the audience. As much as possible‚ argumentation in this situation may be supported with published materials and visuals. The mode of delivery may include formal speech presentation and power point. In daily life‚ argumentation
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Gabrino‚ Juan Miguel M. ENGPHY1‚ 1. As I observed while riding both the Dodgem and Bump n’ Splash the direction of the force when my friends bumped me was same with the direction where the car of my friends are headed. According to Newton’s second law‚ an object that experiences an unbalance force will accelerate in the direction of the unbalanced force. 2. While riding the wheel of fate while it is continuously moving I felt the greatest acceleration at the bottom of the Ferris wheel
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The lndian High School Revision -Term 1 Grade:9 Answer as many as Possible: ffi 4) State universal law of gravitation Express it mathematically. Differentiate between G’ and 91 in tabtrlat fotm’ 3) (a) What is acceleration ? Write ib unit. velocity’ bi I)t"* velocity-time graPh‚ when an obiect has (i) unifortdy accelerated (ii) uniformly retarded velocity. fror" that if u Uoayi" thrown ve*ically upwatd‚ the time of ascent is equal to the time ffi of descent. Th;;r*h .ttracts the
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The graph below is a plot of displacement versus time of a mass oscillating on a spring. 73. At which point on the graph is the acceleration of the mass zero? a. A c. C b. B d. D 74. At which point on the graph is the velocity of the mass zero? a. A c. C b. B
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Equations of Motion Worksheet 1. A car moving at a velocity of 25 m/s‚ accelerates at a rate of 6 m/s2. Find its velocity after 3s. 2. An object is dropped from rest. Calculate its velocity after 2.5s if it is dropped: a. On Earth‚ where the acceleration due to gravity is 9.8m/s2. b. On Mars‚ where the acceleration due to gravity is 3.8m/s2. 3. A motorbike is travelling with a velocity of 3m/s. It accelerates at a rate of 9.3m/s for 1.8s. Calculate the distance it travels in this time. 4. A Tesla
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MOMENTUM QUESTIONS 1. Which has greater momentum: a train at rest or a moving skateboard? Since the train is not moving‚ it has zero momentum. The skateboard‚ as long as it has some speed‚ will have more momentum‚ since p = m*v. 2. What are the ways to increase impulse? Impulse depends on the magnitude of the applied external force and the time that the force acts on the system. By increasing either of those‚ impulse on a system will be increased‚ and the system’s momentum will change accordingly
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1. Which of the following statements about magnetic fields is not true? | Magnetic Flux is a vector. | | Changing magnetic fields create electric fields. | | Changing electric fields create magnetic fields. | | The magnetic field cannot do work on a moving charge. | | The magnetic force on a moving charge can be zero. | 2. If you double the current through an inductor‚ the energy stored in the associated magnetic field increases by a factor of _____. | Two - wrong |
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2009 Winners and All Tournament Team Mites Champion: Braintree Runner up: Hingham F Kyle Roche Braintree F Chase McInnis Hingham F Matt Beniers Hingham F Jeff Pollara Braintree D Tyler Morelli Braintree D Jake Higgins Hingham G Derrick Mullahy G. Scituate MVP Chopper Lockhart Braintree Squirts Champion: Greater Scituate Runner Up: Hanover F Mike Hardman Hanover F Ryan Doolin Hanover F Ian Murphy G. Scituate F Jack Nisbet
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